尽管大众公司对开发直喷(DI——directinjection)汽油发动机计划闭口不谈,但据欧美消息灵通人士透露,大众公司正在开发一种直喷汽油发动机,这一技术有望使内燃机燃烧效率大幅度提高。三菱公司已先于其它汽车生产企业制造出了直喷汽油发动机,大众公司也已开始将柴油直喷技术运用于汽油 Although Volkswagen is not talking about DI - direct injection engine plans, according to informed sources in Europe and the United States, Volkswagen is developing a direct injection gasoline engine, which is expected to significantly improve the combustion efficiency of internal combustion engines . Mitsubishi has already manufactured direct-injection gasoline engines in advance of other automobile manufacturers, and Volkswagen has also begun to apply diesel direct injection technology to gasoline